<?php
/*
	Copyright 2006, 2007, 2008, 2009, 2010 Bastiaan Grutters
    
    This file is part of Ages of Strife website.

    Ages of Strife website is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Ages of Strife website is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Ages of Strife website.  If not, see <http://www.gnu.org/licenses/>.
 */
include( "../global/initialize.php");

if( isset( $_GET[ 'user_id' ] ) && is_numeric( $_GET[ 'user_id' ] ) ) {
	$other_user_id = $_GET[ 'user_id' ];
}
else if( isset( $_POST[ 'ruler_name' ] ) ) {
	$query = "SELECT user_id FROM ruler WHERE name = '" . getPostValue( 'ruler_name' ). "'";
	$result = mysql_query( $query ) or die( "Query failed : " . mysql_error() );
	$row = mysql_fetch_array( $result, MYSQL_ASSOC );
	if( isset( $row[ 'user_id' ] ) ) {
		$other_user_id = $row[ 'user_id' ];
	}
}

if( isset( $other_user_id ) && $other_user_id != $_SESSION[ 'user_id' ] ) {
	$query = "SELECT * FROM buddy WHERE ( user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ] . " ) OR ( user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ] . " )";
	$result = mysql_query( $query ) or die( "Query failed : " . mysql_error() );
	$row = mysql_fetch_array( $result, MYSQL_ASSOC );
	if( isset( $row[ 'buddy_id' ] ) ) {
		if( $other_user_id == $row[ 'user_id1' ] && $row[ 'accept1' ] == 1 ) {
			$query = "UPDATE buddy SET accept2 = 1, new = 0 WHERE user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ];
			mysql_query( $query ) or die( "Query failed : " . mysql_error() );
			$_SESSION[ 'buddylist_status' ] = translate( "User invitation accepted." );
		}
		else if( $other_user_id == $row[ 'user_id2' ] && $row[ 'accept2' ] == 1 ) {
			$query = "UPDATE buddy SET accept1 = 1, new = 0 WHERE user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ];
			mysql_query( $query ) or die( "Query failed : " . mysql_error() );
			$_SESSION[ 'buddylist_status' ] = translate( "User invitation accepted." );
		}
		else {  
			$_SESSION[ 'buddylist_status' ] = translate( "This user was already invited." );
		}
	}
	else {
		$query = "INSERT INTO buddy ( user_id1, user_id2, accept1 ) VALUES ( " . $_SESSION[ 'user_id' ] . ", $other_user_id, 1 )";
		mysql_query( $query ) or die( "Query failed : " . mysql_error() );
		$_SESSION[ 'buddylist_status' ] = translate( "User invited." );
	}
}
else {
	$_SESSION[ 'buddylist_status' ] = translate( "No valid user." );
}
header( "Location: ../diplomacy/buddylist.php" );
?>
